.layout {
  width: 100%;
  height: 100%;
}
.index_banner {
  width: 100%;
  height: 380px;
  overflow: hidden;
  position: relative;
  ul {
    width: 300%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    li {
      float: left;
      width: 33.33%;
      height: 100%;
      a {
        display: block;
        width: 100%;
        height: 100%;
        img {
          width: 100%;
          height: 100%;
          display: block;
        }
        p {
          position: absolute;
          top: 135px;
          left: 40px;
          color: #fff;
          font-size: 60px;
        }
      }
    }
  }
  ol {
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -80px;
    li {
      width: 20px;
      height: 20px;
      float: left;
      background-color: #c6c6c7;
      border-radius: 50%;
      border: 1px solid #fff;
      margin: 20px;

    }
  }
}
.index_info {
  width: 100%;
  padding: 0 25px;
  margin-bottom: 100px;
  .info_box {
    width: 100%;
    .info_box_title {
      width: 100%;
      height: 90px;
      line-height: 90px;
      h3 {
        font-size: 30px;
        color: #5e5e63;
      }
      a {
        font-size: 22px;
        color: #ffc72c;
      }
    }
    .info_box_con {
      width: 100%;
      ul {
        width: 100%;
        li {
          width: 50%;
          height: 210px;
          float: left;
          padding-right: 50px;
          padding-bottom: 34px;
          a {
            display: block;
            width: 100%;
            height: 100%;
            border-top-left-radius: 30px;
            border-top-right-radius: 30px;
            border-bottom-left-radius: 30px;
            border-bottom-right-radius: 30px;
            -webkit-box-shadow:  3px 3px 3px #ccc;
            -moz-box-shadow:  3px 3px 3px #ccc;
            box-shadow:  3px 3px 3px #ccc;
            -webkit-box-shadow:  -3px -3px -3px #ccc;
            -moz-box-shadow:  -3px -3px -3px #ccc;
            box-shadow:  -3px -3px -3px #ccc;
            img {
              width: 100%;
              height: 135px;
              border-top-left-radius: 30px;
              border-top-right-radius: 30px;
            }
            p {
              width: 100%;
              height: 40px;
              text-align: center;
              border-bottom-left-radius: 30px;
              border-bottom-right-radius: 30px;
              line-height: 40px;
              color: #ffc72c;
              font-size: 22px;
            }
          }
        }
      }
    }
  }
}
.mainCourse_footer {
  width: 100%;
  height: 100px;
  background-color: #4a4a4a;
  position: fixed;
  left: 0;
  bottom: 0;
  ul {
    width: 100%;
    height: 100%;
    li {
      float: left;
      width: 25%;
      height: 100%;
      a {
        display: block;
        width: 100%;
        height: 100%;
        text-align: center;
        img {
          margin-top: 12px;
          width: 40px;
          height: 40px;
        }
        p {
          color: #fff;
          font-size: 27px;
        }
      }
    }
  }
}
.index_banner ol li.active {
  background-color: #ffc72c;
}
.mainCourse_footer ol li.active {
  background-color: #ffc72c;
}